/*
 * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 * of conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <cstdio>
#include <unistd.h>
#include <cstdlib>
#include <fcntl.h>
#include <cstring>
#include "It_process_plimits.h"

static UINT32 Testcase(void)
{
    int fd;
    int ret;
    mode_t mode;
    char writeBuf[8];
    std::string devices_a = "a";
    std::string devicesControlFile = "devices";
    std::string test_dev = "/dev/mem";
    std::string device_c = "c /dev/mem rw";
    std::string path = "/proc/plimits/test";
    std::string subpath = "/proc/plimits/test/subtest";
    std::string devicesDenyPath = path + "/devices.deny";
    std::string devicesAllowPath = path + "/devices.allow";
    std::string procsTestPath = subpath + "/plimits.procs";
    std::string deleteControlPath = subpath + "/plimits.limiter_delete";
    std::string addControlPath = subpath + "/plimits.limiter_add";

    ret = mkdir(path.c_str(), S_IFDIR | mode);
    ICUNIT_ASSERT_EQUAL(ret, 0, ret);

    ret = mkdir(subpath.c_str(), S_IFDIR | mode);
    ICUNIT_ASSERT_EQUAL(ret, 0, ret);

    (void)WriteFile(deleteControlPath.c_str(), devicesControlFile.c_str());
    ICUNIT_GOTO_NOT_EQUAL(ret, -1, ret, EXIT);

    memset(writeBuf, 0, sizeof(writeBuf));
    sprintf_s(writeBuf, sizeof(writeBuf), "%d", getpid());
    ret = WriteFile(procsTestPath.c_str(), writeBuf);
    ICUNIT_ASSERT_NOT_EQUAL(ret, 0, ret);

    ret = WriteFile(devicesDenyPath.c_str(), devices_a.c_str());
    ICUNIT_GOTO_NOT_EQUAL(ret, -1, ret, EXIT);

    ret = WriteFile(devicesAllowPath.c_str(), device_c.c_str());
    ICUNIT_GOTO_NOT_EQUAL(ret, -1, ret, EXIT);

    (void)WriteFile(addControlPath.c_str(), devicesControlFile.c_str());
    ICUNIT_GOTO_NOT_EQUAL(ret, -1, ret, EXIT);

    fd = open(test_dev.c_str(), O_RDWR);
    ICUNIT_GOTO_NOT_EQUAL(fd, -1, fd, EXIT);
    (void)close(fd);

    (void)RmdirTest(subpath);
    (void)RmdirTest(path);
    return 0;

EXIT:
    (void)RmdirTest(subpath);
    (void)RmdirTest(path);
    return 0;
}

void ItProcessPlimitsDevices015(void)
{
    TEST_ADD_CASE("IT_PROCESS_PLIMITS_DEVICES_015", Testcase, TEST_PROCESS, TEST_PLIMITS, TEST_LEVEL0, TEST_FUNCTION);
}

